<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>列排序</title>
		<link rel="stylesheet" href="../chapter2/bootstrap/css/bootstrap.min.css">
		<style>
			div[class^=col] {
				border: 1px solid red;
				height: 100px;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="row">
				<!-- 当我们写order的时候
				 bootstrap会把写和没写的分别分成两组
				 没写order的先排序，然后把写order的再进行排序-->
				<div class="col order-5">1</div>
				<div class="col order-4">2</div>
				<div class="col order-1">3</div>
				<div class="col order-2">4</div>
				<div class="col order-3">5</div>
			</div>
		</div>
	</body>
</html>